The lesion at the base of the keratin mound is benign in the majority of cases. Malignancy is present in up to 20% of cases, with squamous cell carcinoma being the most common type. The incidence of squamous cell carcinoma increases to 33% when the cutaneous horn is present on the penis.alignancy is present in up to 20% of cases, with squamous cell carcinoma being the most common type. The incidence of squamous cell carcinoma increases to 33% when the cutaneous horn is present on the penis.
For example, the average human gestation period is 38 weeks. Gestation may normally last anywhere from 37 to 42 weeks, however, and be considered well within the healthy range. Any child born before 37 weeks is considered preterm, and this can be accompanied by any number of health risks.
Gestation Period Definition - A gestation period is the length of time spanning from conception to birth. Gestation for humans lasts 266 days, which... Gestation Period Definition - A gestation period is the length of time spanning from conception to birth. Gestation for humans lasts 266 days, which falls just shot of the 9 months that is typically associated with prenatal development.